How New York used Yelp to find unreported cases of food poisoning

May 22, 2014 5:57 PM

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Microbiologist Ashley Sabol extracting listeria bacteria for genome sequencing in a food-borne disease outbreak lab at the federal Centers for Disease Control and Prevention in Atlanta. (David Goldman/AP)

New York health officials successfully used Yelp reviews to identify hundreds of potential cases of food poising in the city, and nearly all of them had never been officially reported to the government.